Research Satellites
From The RadioReference Wiki
| Sat Name | Purpose | Frequency |
|---|---|---|
| Cosmos 1500 | oceanography | 137.4000 |
| Cosmos 1500 | oceanography | 466.5000 |
| FREJA | aurora research | 400.5500 |
| HETE | primary downlink | 2272.0000 |
| HETE | primary uplink | 2092.0000 |
| HETE | secondary downlink CPFSK | 137.9600 |
| IUE | research | 136.8600 |
| LANDSAT 4 | Earth resources | 137.8600 |
With thanks to NF2G.com